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-rw-r--r--sound/usb/mixer.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/sound/usb/mixer.h b/sound/usb/mixer.h
index 7423f998cfb5..2478a844a322 100644
--- a/sound/usb/mixer.h
+++ b/sound/usb/mixer.h
@@ -76,4 +76,12 @@ int snd_usb_mixer_suspend(struct usb_mixer_interface *mixer);
int snd_usb_mixer_resume(struct usb_mixer_interface *mixer, bool reset_resume);
#endif
+int snd_usb_set_cur_mix_value(struct usb_mixer_elem_info *cval, int channel,
+ int index, int value);
+
+int snd_usb_get_cur_mix_value(struct usb_mixer_elem_info *cval,
+ int channel, int index, int *value);
+
+extern void snd_usb_mixer_elem_free(struct snd_kcontrol *kctl);
+
#endif /* __USBMIXER_H */